package sctu.edu.java.year2016.team03.zhaoyong.day20160529.chapter8_3;

/**
 * Created by zhaoyong on 2016/5/30.
 */
public class B extends A {
    public  int b=555;
    public B() {
        System.out.println("执行子类。");
        b=564;

    }
}
